ELECTRONIC DEVICES AND INSTRUMENTATION LABORATORY(18ECL37)

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ELECTRONIC DEVICES AND 

INSTRUMENTATION LABORATORY

Laboratory Code:18ECL37

CIE Marks:40

SEE Marks:60

Number of Lecture Hours/Week:02 Hr Tutorial (Instructions) + 02 Hours Laboratory

Exam Hours:03

CREDITS – 02

Course Learning Objectives: This laboratory course enables students to 

?Understand the circuit schematic and its working.
?Study the characteristics of different electronic devices.
?Design and test simple electronic circuits as per the specifications using discrete electronic components.
?Familiarize with EDA software which can be used for electronic circuit simulation.

Laboratory Experiments

PART A : Experiments using Discrete components

1. Conduct experiment to test diode clipping (single/double ended) and clamping circuits (positive/negative).

2. Half wave rectifier and Full wave rectifier with and without filter and measure the ripple factor.


3. Characteristics of Zener diode and design a Simple Zener voltage regulator determine line and load regulation.


4. Characteristics of LDR and Photo diode and turn on an LED using LDR


5. Static characteristics of SCR.


6. SCR Controlled HWR and FWR using RC triggering circuit


7. Conduct an experiment to measure temperature in terms of current/voltage using a temperature sensor bridge. 8. Measurement of Resistance using Wheatstone and Kelvin’s bridge.

PART-B : Simulation using EDA software

(EDWinXP, PSpice, MultiSim, Proteus, Circuit Lab or any equivalent tool)

1. Input and Output characteristics of BJT Common emitter configuration and evaluation of parameters.

2. Transfer and drain characteristics of a JFET and MOSFET.


3. UJT triggering circuit for Controlled Full wave Rectifier.

4. Design and simulation of Regulated power supply.

Course Outcomes: On the completion of this laboratory course, the students will be able to:

• Understand the characteristics of various electronic devices and measurement of parameters.
• Design and test simple electronic circuits.
• Use of circuit simulation software for the implementation and characterization of electronic circuits and devices.

Conduct of Practical Examination:

• All laboratory experiments are to be considered for practicalexamination.
• For examination one question from PART-A and one question from PART-B or only one question from PART-A experiments based on the complexity, to be set.
• Students are allowed to pick one experiment from the lot.
• Strictly follow the instructions as printed on the cover page of answer script for breakup of marks.
• Change of experiment is allowed only once and Marks allotted to the procedure part to be made zero.
1. David A Bell, “Fundamentals of Electronic Devices and Circuits Lab Manual, 5th Edition, 2009, Oxford University Press.
2. Muhammed H Rashid, “Introduction to PSpice using OrCAD for circuits and electronics”, 3rd Edition, Prentice Hall, 2003.

LAB Manual: